<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <title>ECharts</title>
    <script src="https://cdn.jsdelivr.net/npm/echarts@5.4.0/dist/echarts.min.js"></script>
  </head>
  <body>
  
    <div id="main" style="width: 600px;height:400px;"></div>
    <script type="text/javascript">
    
      var option = {
        title: {},
        tooltip: {},
        legend: {},
        xAxis: {},
        yAxis: {},
        series: []
      };
    </script>
  </body>
</html>